1663102112061 has 32 divisors (see below), whose sum is σ = 2429209108480. Its totient is φ = 1005874905024.

The previous prime is 1663102111991. The next prime is 1663102112093. The reversal of 1663102112061 is 1602112013661.

It is a happy number.

It is not a de Polignac number, because 1663102112061 - 2¹⁸ = 1663101849917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663102119061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422196 + ... + 1872018.

It is an arithmetic number, because the mean of its divisors is an integer number (75912784640).

Almost surely, 2^{1663102112061} is an apocalyptic number.

It is an amenable number.

1663102112061 is a deficient number, since it is larger than the sum of its proper divisors (766106996419).

1663102112061 is a wasteful number, since it uses less digits than its factorization.

1663102112061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450345.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 1663102112061 in words is "one trillion, six hundred sixty-three billion, one hundred two million, one hundred twelve thousand, sixty-one".